additions from backlog and conversions to git

entries/gist-txt.md

@@ -0,0 +1,14 @@
+# gist-txt
+
+_A minimal text adventure engine._
+
+- Home: http://potomak.github.io/gist-txt/#acebd8fe14942fab4e8e
+- State: mature, inactive since 2018
+- Platform: Web
+- Keywords: adventure, game engine, text-based
+- Code repository: https://github.com/potomak/gist-txt.git
+- Code language: JavaScript
+- Code license: MIT
+
+## Building
+